diff --git a/order-service/pom.xml b/order-service/pom.xml
index 89752fa..3430789 100644
--- a/order-service/pom.xml
+++ b/order-service/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.8</version>
+        <version>4.0.0</version>
         <relativePath/>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/payment-service/pom.xml b/payment-service/pom.xml
index 2e9e457..7b90932 100644
--- a/payment-service/pom.xml
+++ b/payment-service/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.8</version>
+        <version>4.0.0</version>
         <relativePath/>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/stock-service/pom.xml b/stock-service/pom.xml
index 0aec5ba..a989e69 100644
--- a/stock-service/pom.xml
+++ b/stock-service/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.8</version>
+        <version>4.0.0</version>
         <relativePath/>
     </parent>
     <modelVersion>4.0.0</modelVersion>